Flow sensor



FIG. 1 is a front top perspective view of a flow sensor according to an embodiment of the present invention.

FIG. 2 is a front view of the flow sensor of FIG. 1.

FIG. 3 is a back view of the flow sensor of FIG. 1.

FIG. 4 is a left side view of flow sensor of FIG. 1.

FIG. 5 is a right side view of the flow sensor of FIG. 1.

FIG. 6 is a top view of the flow sensor of FIG. 1.

FIG. 7 is a bottom view of the flow sensor of FIG. 1; and,

FIG. 8 is a front top perspective view of the flow sensor of FIG. 1 shown with spirometry connector caps and tubings in the environment.

The broken lines in FIGS. 1-8 are included for the purpose of illustrating environmental structure and form no part of the claimed design. The broken lines in FIG. 8 showing the spirometry sensor caps and tubings are included for the purpose of illustrating environmental structure and form no part of the claimed design.

The oblique line shading shown in FIGS. 1-8 indicate transparent or translucent material. 

CLAIM The ornamental design for a flow sensor, as shown and described. 